Annex G (normative) Dictionary Reference ToC

G.2 Definition of dictionary references in the AddressSpace ToC Previous Next

G.2.3 DictionaryEntryType ToC Previous Next index

This abstract ObjectType defines the minimum information needed to identify the data dictionary entry for a respective standard (e.g. IEC Common Data Dictionary). It is formally defined in Table G.2.

Concrete dictionary entry types shall inherit from the abstract DictionaryEntryType defining additional Properties and Objects as necessary and specified by the standard body (e.g. further definitions, versioning information etc.).

An instance of such a concrete dictionary entry ObjectType represents an entry in an external data dictionary.

Table G.2 – DictionaryEntryType Definition

Attribute Value
BrowseName DictionaryEntryType
IsAbstract True

Subtype of the BaseObjectType defined in OPC 10000-5.

References NodeClass BrowseName DataType / TypeDefinition ModellingRule
HasComponent Object <DictionaryEntryName> DictionaryEntryType OptionalPlaceholder

Instances of the DictionaryEntryType can be nested in order to create hierarchies of dictionary entries.

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